shadow: Add test

nixos/tests/all-tests.nix

@@ -340,6 +340,7 @@ in
   scala = handleTest ./scala.nix {};
   sddm = handleTest ./sddm.nix {};
   service-runner = handleTest ./service-runner.nix {};
+  shadow = handleTest ./shadow.nix {};
   shadowsocks = handleTest ./shadowsocks {};
   shattered-pixel-dungeon = handleTest ./shattered-pixel-dungeon.nix {};
   shiori = handleTest ./shiori.nix {};

nixos/tests/shadow.nix

@@ -0,0 +1,98 @@
+let
+  password1 = "foobar";
+  password2 = "helloworld";
+  password3 = "bazqux";
+in import ./make-test-python.nix ({ pkgs, ... }: {
+  name = "shadow";
+  meta = with pkgs.stdenv.lib.maintainers; { maintainers = [ nequissimus ]; };
+
+  nodes.shadow = { pkgs, ... }: {
+    environment.systemPackages = [ pkgs.shadow ];
+
+    users = {
+      mutableUsers = true;
+      users.emma = {
+        password = password1;
+        shell = pkgs.bash;
+      };
+      users.layla = {
+        password = password2;
+        shell = pkgs.shadow;
+      };
+    };
+  };
+
+  testScript = ''
+    shadow.wait_for_unit("multi-user.target")
+    shadow.wait_until_succeeds("pgrep -f 'agetty.*tty1'")
+
+    with subtest("Normal login"):
+        shadow.send_key("alt-f2")
+        shadow.wait_until_succeeds(f"[ $(fgconsole) = 2 ]")
+        shadow.wait_for_unit(f"getty@tty2.service")
+        shadow.wait_until_succeeds(f"pgrep -f 'agetty.*tty2'")
+        shadow.wait_until_tty_matches(2, "login: ")
+        shadow.send_chars("emma\n")
+        shadow.wait_until_tty_matches(2, "login: emma")
+        shadow.wait_until_succeeds("pgrep login")
+        shadow.send_chars("${password1}\n")
+        shadow.send_chars("whoami > /tmp/1\n")
+        shadow.wait_for_file("/tmp/1")
+        assert "emma" in shadow.succeed("cat /tmp/1")
+
+    with subtest("Change password"):
+        shadow.send_key("alt-f3")
+        shadow.wait_until_succeeds(f"[ $(fgconsole) = 3 ]")
+        shadow.wait_for_unit(f"getty@tty3.service")
+        shadow.wait_until_succeeds(f"pgrep -f 'agetty.*tty3'")
+        shadow.wait_until_tty_matches(3, "login: ")
+        shadow.send_chars("emma\n")
+        shadow.wait_until_tty_matches(3, "login: emma")
+        shadow.wait_until_succeeds("pgrep login")
+        shadow.send_chars("${password1}\n")
+        shadow.send_chars("passwd\n")
+        shadow.sleep(2)
+        shadow.send_chars("${password1}\n")
+        shadow.sleep(2)
+        shadow.send_chars("${password3}\n")
+        shadow.sleep(2)
+        shadow.send_chars("${password3}\n")
+        shadow.sleep(2)
+        shadow.send_key("alt-f4")
+        shadow.wait_until_succeeds(f"[ $(fgconsole) = 4 ]")
+        shadow.wait_for_unit(f"getty@tty4.service")
+        shadow.wait_until_succeeds(f"pgrep -f 'agetty.*tty4'")
+        shadow.wait_until_tty_matches(4, "login: ")
+        shadow.send_chars("emma\n")
+        shadow.wait_until_tty_matches(4, "login: emma")
+        shadow.wait_until_succeeds("pgrep login")
+        shadow.send_chars("${password1}\n")
+        shadow.wait_until_tty_matches(4, "Login incorrect")
+        shadow.wait_until_tty_matches(4, "login:")
+        shadow.send_chars("emma\n")
+        shadow.wait_until_tty_matches(4, "login: emma")
+        shadow.wait_until_succeeds("pgrep login")
+        shadow.send_chars("${password3}\n")
+        shadow.send_chars("whoami > /tmp/2\n")
+        shadow.wait_for_file("/tmp/2")
+        assert "emma" in shadow.succeed("cat /tmp/2")
+
+    with subtest("Groups"):
+        assert "foobar" not in shadow.succeed("groups emma")
+        shadow.succeed("groupadd foobar")
+        shadow.succeed("usermod -a -G foobar emma")
+        assert "foobar" in shadow.succeed("groups emma")
+
+    with subtest("nologin shell"):
+        shadow.send_key("alt-f5")
+        shadow.wait_until_succeeds(f"[ $(fgconsole) = 5 ]")
+        shadow.wait_for_unit(f"getty@tty5.service")
+        shadow.wait_until_succeeds(f"pgrep -f 'agetty.*tty5'")
+        shadow.wait_until_tty_matches(5, "login: ")
+        shadow.send_chars("layla\n")
+        shadow.wait_until_tty_matches(5, "login: layla")
+        shadow.wait_until_succeeds("pgrep login")
+        shadow.send_chars("${password2}\n")
+        shadow.wait_until_tty_matches(5, "login:")
+  '';
+})

pkgs/os-specific/linux/shadow/default.nix

@@ -1,5 +1,5 @@
-{ stdenv, fetchpatch, fetchFromGitHub, autoreconfHook, libxslt, libxml2
-, docbook_xml_dtd_45, docbook_xsl, itstool, flex, bison
+{ stdenv, nixosTests, fetchpatch, fetchFromGitHub, autoreconfHook, libxslt
+, libxml2 , docbook_xml_dtd_45, docbook_xsl, itstool, flex, bison
 , pam ? null, glibcCross ? null
 }:
 
@@ -86,5 +86,6 @@ stdenv.mkDerivation rec {
 
   passthru = {
     shellPath = "/bin/nologin";
+    tests = { inherit (nixosTests) shadow; };
   };
 }